53111490 has 32 divisors (see below), whose sum is σ = 127668096. Its totient is φ = 14140800.

The previous prime is 53111489. The next prime is 53111491. The reversal of 53111490 is 9411135.

It is an interprime number because it is at equal distance from previous prime (53111489) and next prime (53111491).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53111490.

It is not an unprimeable number, because it can be changed into a prime (53111491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28590 + ... + 30390.

It is an arithmetic number, because the mean of its divisors is an integer number (3989628).

Almost surely, 2^53111490 is an apocalyptic number.

53111490 is an abundant number, since it is smaller than the sum of its proper divisors (74556606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53111490 is a wasteful number, since it uses less digits than its factorization.

53111490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 53111490 is about 7287.7630312737. The cubic root of 53111490 is about 375.8917798178.

It can be divided in two parts, 531 and 11490, that added together give a palindrome (12021).

The spelling of 53111490 in words is "fifty-three million, one hundred eleven thousand, four hundred ninety".